diff --git a/Containers/talk/Dockerfile b/Containers/talk/Dockerfile
index 8ce7961c..de23972c 100644
--- a/Containers/talk/Dockerfile
+++ b/Containers/talk/Dockerfile
@@ -19,7 +19,7 @@ RUN set -ex; \
     echo "deb https://packaging.gitlab.io/nats-server nats main" > /etc/apt/sources.list.d/morph027-nats-server.list; \
     . /etc/lsb-release; \
     curl -sL -o "/etc/apt/trusted.gpg.d/morph027-janus.asc" "https://packaging.gitlab.io/janus/gpg.key"; \
-    echo "deb https://packaging.gitlab.io/janus $DISTRIB_CODENAME main" > /etc/apt/sources.list.d/morph027-janus.list; \
+    echo "deb https://packaging.gitlab.io/janus/$DISTRIB_CODENAME $DISTRIB_CODENAME main" > /etc/apt/sources.list.d/morph027-janus.list; \
     curl -sL -o "/etc/apt/trusted.gpg.d/morph027-nextcloud-spreed-signaling.asc" "https://packaging.gitlab.io/nextcloud-spreed-signaling/gpg.key"; \
     echo "deb https://packaging.gitlab.io/nextcloud-spreed-signaling signaling main" > /etc/apt/sources.list.d/morph027-nextcloud-spreed-signaling.list